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參數(shù)資料
| 型號： | 935275672118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8 I/O, PIA-GENERAL PURPOSE, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, MO-152, SOT-266-1, SSOP-20 |
| 文件頁數(shù)： | 6/33頁 |
| 文件大小： | 316K |
| 代理商： | 935275672118 |
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2002 Nov 22
14
Philips Semiconductors
Product specication
Remote 8-bit I/O expander for I2C-bus
PCF8574
8
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134).
9
HANDLING
Inputs and outputs are protected against electrostatic discharge in normal handling. However it is good practice to take
normal precautions appropriate to handling MOS devices (see
“Handling MOS devices”).
10 DC CHARACTERISTICS
VDD = 2.5 to 6 V; VSS = 0 V; Tamb = 40 to +85 °C; unless otherwise specied.
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VDD
supply voltage
0.5
+7.0
V
VI
input voltage
VSS 0.5
VDD + 0.5
V
II
DC input current
±20
mA
IO
DC output current
±25
mA
IDD
supply current
±100
mA
ISS
supply current
±100
mA
Ptot
total power dissipation
400
mW
PO
power dissipation per output
100
mW
Tstg
storage temperature
65
+150
°C
Tamb
ambient temperature
40
+85
°C
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Supply
VDD
supply voltage
2.5
6.0
V
IDD
supply current
operating mode; VDD =6V;
no load; VI =VDD or VSS;
fSCL = 100 kHz
40
100
A
Istb
standby current
standby mode; VDD =6V;
no load; VI =VDD or VSS
2.5
10
A
VPOR
Power-on reset voltage
VDD = 6 V; no load;
VI =VDD or VSS; note 1
1.3
2.4
V
Input SCL; input/output SDA
VIL
LOW level input voltage
0.5
+0.3VDD
V
VIH
HIGH level input voltage
0.7VDD
VDD + 0.5
V
IOL
LOW level output current
VOL = 0.4 V
3
mA
IL
leakage current
VI =VDD or VSS
1
+1
A
Ci
input capacitance
VI =VSS
7pF
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